1178682256231 has 2 divisors, whose sum is σ = 1178682256232. Its totient is φ = 1178682256230.

The previous prime is 1178682256207. The next prime is 1178682256243. The reversal of 1178682256231 is 1326522868711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1178682256231 is a prime.

It is a super-2 number, since 2×1178682256231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1178682206231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 589341128115 + 589341128116.

It is an arithmetic number, because the mean of its divisors is an integer number (589341128116).

Almost surely, 2^{1178682256231} is an apocalyptic number.

1178682256231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1178682256231 is an equidigital number, since it uses as much as digits as its factorization.

1178682256231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 52.

The spelling of 1178682256231 in words is "one trillion, one hundred seventy-eight billion, six hundred eighty-two million, two hundred fifty-six thousand, two hundred thirty-one".